File: parsercommon_test.go

package info (click to toggle)
golang-github-jeromer-syslogparser 0.0~git20210813.bbb7299-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 184 kB
  • sloc: makefile: 24
file content (257 lines) | stat: -rw-r--r-- 5,048 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
package parsercommon

import (
	"testing"

	"github.com/stretchr/testify/require"
)

func TestParsePriority(t *testing.T) {
	testCases := []struct {
		description       string
		input             []byte
		expectedPri       *Priority
		expectedCursorPos int
		expectedErr       error
	}{
		{
			description:       "empty priority",
			input:             []byte(""),
			expectedPri:       nil,
			expectedCursorPos: 0,
			expectedErr:       ErrPriorityEmpty,
		},
		{
			description:       "no start",
			input:             []byte("7>"),
			expectedPri:       nil,
			expectedCursorPos: 0,
			expectedErr:       ErrPriorityNoStart,
		},
		{
			description:       "no end",
			input:             []byte("<77"),
			expectedPri:       nil,
			expectedCursorPos: 0,
			expectedErr:       ErrPriorityNoEnd,
		},
		{
			description:       "too short",
			input:             []byte("<>"),
			expectedPri:       nil,
			expectedCursorPos: 0,
			expectedErr:       ErrPriorityTooShort,
		},
		{
			description:       "too long",
			input:             []byte("<1233>"),
			expectedPri:       nil,
			expectedCursorPos: 0,
			expectedErr:       ErrPriorityTooLong,
		},
		{
			description:       "no digits",
			input:             []byte("<7a8>"),
			expectedPri:       nil,
			expectedCursorPos: 0,
			expectedErr:       ErrPriorityNonDigit,
		},
		{
			description:       "all good",
			input:             []byte("<190>"),
			expectedPri:       NewPriority(190),
			expectedCursorPos: 5,
			expectedErr:       nil,
		},
	}

	for _, tc := range testCases {
		cursor := 0

		obtained, err := ParsePriority(
			tc.input, &cursor, len(tc.input),
		)

		require.Equal(
			t, tc.expectedPri, obtained, tc.description,
		)

		require.Equal(
			t, tc.expectedCursorPos, cursor, tc.description,
		)

		require.Equal(
			t, tc.expectedErr, err, tc.description,
		)
	}
}

func TestNewPriority(t *testing.T) {
	require.Equal(
		t,
		&Priority{
			P: 165,
			F: Facility{Value: 20},
			S: Severity{Value: 5},
		},
		NewPriority(165),
	)
}

func TestParseVersion(t *testing.T) {
	testCases := []struct {
		description       string
		input             []byte
		expectedVersion   int
		expectedCursorPos int
		expectedErr       error
	}{
		{
			description:       "not found",
			input:             []byte("<123>"),
			expectedVersion:   NO_VERSION,
			expectedCursorPos: 5,
			expectedErr:       ErrVersionNotFound,
		},
		{
			description:       "non digit",
			input:             []byte("<123>a"),
			expectedVersion:   NO_VERSION,
			expectedCursorPos: 6,
			expectedErr:       nil,
		},
		{
			description:       "all good",
			input:             []byte("<123>1"),
			expectedVersion:   1,
			expectedCursorPos: 6,
			expectedErr:       nil,
		},
	}

	for _, tc := range testCases {
		cursor := 5

		obtained, err := ParseVersion(
			tc.input, &cursor, len(tc.input),
		)

		require.Equal(
			t, tc.expectedVersion, obtained, tc.description,
		)

		require.Equal(
			t, tc.expectedCursorPos, cursor, tc.description,
		)

		require.Equal(
			t, tc.expectedErr, err, tc.description,
		)
	}
}

func TestParseHostname(t *testing.T) {
	testCases := []struct {
		description       string
		input             []byte
		expectedHostname  string
		expectedCursorPos int
	}{
		{
			description:       "invalid",
			input:             []byte("foo name"),
			expectedHostname:  "foo",
			expectedCursorPos: 3,
		},
		{
			description:       "valid",
			input:             []byte("ubuntu11.somehost.com" + " "),
			expectedHostname:  "ubuntu11.somehost.com",
			expectedCursorPos: len("ubuntu11.somehost.com"),
		},
	}

	for _, tc := range testCases {
		cursor := 0

		obtained, err := ParseHostname(
			tc.input, &cursor, len(tc.input),
		)

		require.Equal(
			t, tc.expectedHostname, obtained, tc.description,
		)

		require.Equal(
			t, tc.expectedCursorPos, cursor, tc.description,
		)

		require.Nil(
			t, err,
		)
	}
}

func TestFindNextSpace(t *testing.T) {
	testCases := []struct {
		description       string
		input             []byte
		expectedCursorPos int
		expectedErr       error
	}{
		{
			description:       "no space",
			input:             []byte("aaaaaa"),
			expectedCursorPos: 0,
			expectedErr:       ErrNoSpace,
		},
		{
			description:       "space found",
			input:             []byte("foo bar baz"),
			expectedCursorPos: 4,
			expectedErr:       nil,
		},
	}

	for _, tc := range testCases {
		obtained, err := FindNextSpace(
			tc.input, 0, len(tc.input),
		)

		require.Equal(
			t, tc.expectedCursorPos, obtained, tc.description,
		)

		require.Equal(
			t, tc.expectedErr, err, tc.description,
		)
	}
}

func BenchmarkParsePriority(b *testing.B) {
	buff := []byte("<190>")
	var start int
	l := len(buff)

	for i := 0; i < b.N; i++ {
		start = 0
		_, err := ParsePriority(buff, &start, l)
		if err != nil {
			panic(err)
		}
	}
}

func BenchmarkParseVersion(b *testing.B) {
	buff := []byte("<123>1")
	start := 5
	l := len(buff)

	for i := 0; i < b.N; i++ {
		start = 0
		_, err := ParseVersion(buff, &start, l)
		if err != nil {
			panic(err)
		}
	}
}